S. F. Malysheva, V. A. Kuimov, N. A. Belogorlova, N. K. Gusarova, I. V. Taidakov, A. I. Albanov, I. L. Eremenko, B. A. Trofimov, “Catalyst-free addition of secondary phosphine chalcogenides to pyrazolecarbaldehydes”, Mendeleev Commun., 2019, Volume 29, Issue 6,Pages <nobr>683–685</nobr>

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Mendeleev Commun., 2019 Volume 29, Issue 6, Pages 683–685 (Mi mendc1630)

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Communications

Catalyst-free addition of secondary phosphine chalcogenides to pyrazolecarbaldehydes

S. F. Malysheva^a, V. A. Kuimov^a, N. A. Belogorlova^a, N. K. Gusarova^a, I. V. Taidakov^b, A. I. Albanov^a, I. L. Eremenko^c, B. A. Trofimov^a

^a A.E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, Irkutsk, Russian Federation
^b P.N. Lebedev Physical Institute, Russian Academy of Sciences, Moscow, Russian Federation
^c N.S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russian Federation

Abstract: (Chalcogenophosphoryl)(hydroxyl)methyl-substituted pyrazoles were obtained by catalyst-free reaction between 4- and 5-pyrazolecarbaldehydes and secondary phosphine chalcogenides R2P(X)H [R=Ph, (CH2)2Ph, X=O, S, Se] at 23–50°C in toluene.

Language: English

DOI: 10.1016/j.mencom.2019.11.027

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